POTENTIAL AND KINETIC ENERGY

__________ is stored energy. 

• Kinetic Energy

• Friction

• Potential Energy

• Gravity

The faster an object moves, the ________ kinetic energy it has. 

• Lesser

• More

• stable

• all of the above

Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

• 12,789 Joules

• 24,500 Joules

• 4,500 Joules

• 28,000 Joules

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs? (KE = 1/2mv²)

• 8.5 J

• 45 J

• 7.5 J

• 22.5 J

At which point of the roller coaster is potential energy the greatest?

• W

• X

• Y

• Z

What kind of energy is in a moving skateboard?

• KINETIC

• POTENTIAL

• FRICTION

• AIR RESISTANCE

Which of the following answer choices is NOT an example of potential energy?

• Holding a basketball in practice

• a rock at the edge of a cliff

• Fallen leaves laying on the ground below a tree

• ball thrown across the yard

A ramp is 0.5 m high. What is a 30 kg child's potential energy at the top of the ramp?

• 4.9 J

• 3.75 J

• 147 J

• 157 J

Kinetic energy can be calculated using the formula   KE = 1/2mv².  What is the kinetic energy of a bicycle that has a mass of 20 kg and is traveling at a velocity of 10 m/sec?  

• 10 J

• 1000 J

• 100 J

• 10,000 J

Which of the following best describes Energy?

• The ability to cause change

• The investigation of nature

• The ability to do work

• It is the force that pulls the object downward